# Service bulletin Dealer Memo 17\-2

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10184319
- Published by NHTSA: 2020\-12\-21
- Manufacturer's number: Dealer Memo 17\-2
- Manufacturer's date: 2017\-03\-14
- NHTSA component: ENGINE; EQUIPMENT

## NHTSA's summary

This dealer memo announced a product upgrade program on 6.8L Gen3 Propane Engines. This is being done as a product upgrade and to increase customer satisfaction. Blue Bird will be updating all Gen3 Propane buses with the improved Gen4 roller finger follower \(RFF\). The new Gen4 RFF improves oil jet velocity for the RFF roller bearing element and camshaft interface.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10184319-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10184319-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Equipment and accessories

## Vehicles listed

- 2013 to 2017 BLUE BIRD VISION

JSON: [/v1/bulletins/10184319](/v1/bulletins/10184319)

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